Science, asked by kenchanna2941, 7 months ago

Difine brething explane the mechanisms of breathing in human beings

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Answered by Anonymous
1

the process of taking air into and expelling it from the lungs is called breathing. The action of breathing in and out is due to changes of pressure within the thorax, in comparison with the outside. ... When we inhale the intercostal muscles (between the ribs) and diaphragm contract to expand the chest cavity.

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Answered by ashikhan3535
1

Answer:

Breathing is the physical process of inhaling oxygen and exhaling carbon dioxide. The mechanism of breathing involves two main processes: inspiration and expiration. Inspiration occurs when the diaphragm and the external intercostal muscles contract.

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